void zoom_display(df::zoom_commands command) {
    /*
    DFHack::DFSDL::DFSDL_SemWait(async_zoom.sem);
    async_zoom.queue.push_back(command);
    DFHack::DFSDL::DFSDL_SemPost(async_zoom.sem);
    DFHack::DFSDL::DFSDL_SemPost(async_zoom.sem_fill);
    */
}
